拓扑结构

Through analysis to multilevel invertor a method of switching angle control for Diode-clamping Multilevel Inverter is introduced. The quantity of wave for output voltage is improved and the content of harmonics is reduced. And a design is carried on to realize the control mode based on TMS320F2407DSP.

通过分析多电平逆变器的拓扑结构，选择二极管箝位型多电平逆变器为研究对象，提出在二极管箝位型逆变电路中实现开关角控制的方法，该方法减少了谐波的含量，改善了输出电压的波形，并以TMS320F2407DSP为平台进行了设计实现了该控制策略。

The net structure of the cement rotary kiln control system has three layers.

所建立的系统采用3层的网络拓扑结构。

Based on the combined dataset of nucleotide and amino acid sequences of 13 protein coding genes,using the maximum likelihood and Bayesian inference methods to reconstruct the phylogenetic relationship of fifteen species of lepidopteran insects,The resulst showed the same topologies and supported a close relationship between the Geometroidea,Noctuoidea and Bombycoidea.This result deviates from the traditional view.

基于线粒体基因组13个蛋白质编码基因的核苷酸序列及氨基酸序列的联合数据集构建了15种鳞翅目昆虫的系统树，采用BI和ML分析方法建树，所得拓扑结构类似，都显示蚕蛾总科，尺蠖蛾总科和夜蛾总科关系较近，结果与前人研究的结果不完全一致。

In order to realize precise compression of scattered data and predigest the establishing process of geometry topology relation, scattered data is converted into scan line data, the point cloud is disposed by the method of direct slicing, the algorithm of intersection between line and surface based on a pair of the least distance relation points and the algorithm of track based on eight directions coding of the section contour data are carried out and the method feasibility is proved by the example.

为了实现数据的精确压缩，简化点与点之间拓扑结构的建立，把散乱数据转化为扫描线数据，对点云数据进行了直接分层处理，采用了基于最小距离关联点对的线面截交算法和截面轮廓数据的八方向编码追踪算法，并用实例验证了方法的可行性。

Thus, it is important to research the generic topology of the magnetic field in a toroidal device.

因此，在环形磁约束聚变装置中，对其磁场拓扑结构的研究是非常重要的。

A novel topological framework structure of the molecular sieve named CJU-18 is obtained theoretically, which has 18 membered ring open pores.

提出了一种新颖的十八元环超大孔分子筛的拓扑结构模型——CJU-18，它属钙霞石笼作用于六方晶系的P_(63)/mmc空间群。

I am really meticulous about the topology of the model.

我真的很讲究了该模型的拓扑结构。

The microtopology and stiffness of cell membrane were measured using electron scanning microscopy and micropipette aspiration assay, respectively.

采用扫描电镜观察其表面拓扑结构，采用微管吸吮方法测量其刚度。

Results show that the energy function is Lyapunov stable and the network can be used for finding the minimum covering sphere of a polytope.

第七章 利用有理函数逼近的许多优良特性，构造了一种新的有理连分式链神经网络，给出了网络的一般拓扑结构图和学习算法。

Chain reconfiguration modular robots form systems with many degrees of freedom which are capable of being reconfigured to form arbitrary chain-based topologies.

链重组的模块化机器人具有非常多的自由度，能够重组成多种基于链的拓扑结构。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。